RVsubversion Installation Troubleshooting

Error message while installing RVsubversion:
pkg_resources.VersionConflict: (Genshi 0.7 (/usr/lib/python2.6/site-packages/Genshi-0.7-py2.6-linux-x86_64.egg), Requirement.parse('Genshi>=0.6,<0.7dev'))
Sorry, cannot "install" trac.

Solution: Try the following commands.
perl /usr/local/rvglobalsoft/rvsubversion/auto/autorvsubversion.cgi --force
perl /usr/local/rvglobalsoft/rvsubversion/install.pl